Hummingbirds can also fly upside down.

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The Hooded Nudibranch is a carnivorous mollusk that swallow their prey whole

Cows kill more people than sharks

Bears don’t actually hibernate during the winter

Bears don’t actually hibernate during the winter

Yellow boxfish can puff up and release a cloud of neurotoxins capable of killing anything around

The Mexican or Brazilian free-tailed bat, can reach speeds of 100 mph (160 km/h) and can fly at an altitude of 10,800 ft (3,300 m) 

Squirrels will steal nuts from other squirrels